🇸🇬 Derek LEE · SINGAPORE
58rank
+81.9Butler · 108 bds
+0.76per board
±5.5swing
+0.94vs par /bd
+0.96adjusted /bd
by match
vs par split: bidding +0.06 · play +0.88
Strength of schedule: opponents averaged +0.20/bd (a tough draw) → opponent-adjusted +0.96/bd
Card play — on target: opening leads 91.3% · declarer play 89.3% · defence 81.5%
Bidding activity — not a pass: 48.8% (147/301)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 100.0% (17) |
| Declarer play | 77.8% (9) | 94.7% (19) |
| Defence | 77.8% (18) | 83.3% (36) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 83.3% (6) · ♦ 100.0% (4) · ♣ 87.5% (8)
vs par by strain: NT +1.58 (31) · a suit +0.69 (77)
vs par by level: part-score -0.24 (45) · game +1.02 (56) · slam +8.00 (7)
By role: declaring +1.57/bd (-0.85 vs par · 54) · defending -0.05/bd (+2.74 vs par · 54)
By vulnerability: vulnerable +0.68/bd (+0.39 vs par · 54) · not vulnerable +0.84/bd (+1.50 vs par · 54)
By match↑ top
| Match | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Match 1 | Ryan TAN | Khaled ALOBAIDI – Abdulaziz ALDASHTI | Closed | 12 | +29.0 | +2.42 | +3.67 |
| Match 2 | Sean TEO | Petro KARLYKOV – Vitaly ZUBAN | Closed | 12 | -6.8 | -0.57 | -1.17 |
| Match 3 | Sean TEO | Abdallah AL-AJLOUNI – Samer ALRAWASHDEH | Closed | 12 | +24.0 | +2.00 | +1.92 |
| Match 4 | Han Wei KOH | David CHECHELASHVILI – Gocha GOSHADZE | Closed | 12 | +23.3 | +1.94 | +3.58 |
| Match 5 | Han Wei KOH | Bernardino OCHOA – Dante SALAVERRI BOTTARO | Closed | 12 | -13.9 | -1.16 | -0.75 |
| Match 8 | Han Wei KOH | Ramunas GRIGORAITIS – Sonata SIMANAITIENE | Open | 12 | +0.1 | +0.01 | -0.33 |
| Match 10 | Ryan TAN | Kamal K SHAH – Karima POPAT | Open | 12 | +11.5 | +0.96 | +0.17 |
| Match 11 | Ryan TAN | Shah Zia-ul HAQUE – Rashedul Hasan RIPON | Open | 12 | +13.8 | +1.15 | -0.42 |
| Match 12 | Ming Lok David LAM | Michelle THEODORE – Ian HIPPOLYTE | Open | 12 | +0.9 | +0.07 | +1.83 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +14.2 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 10 | 4♥x | ♦Q | -3 | +16 |
| +14.0 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 17 | 7♦ | ♣J | = | +0 |
| +12.3 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 2 | 6♣ | ♥K | -1 | +16 |
| +12.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 6 | 4♥x | ♦A | -2 | +12 |
| +11.9 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 39 | 3NT | ♦8 | = | +10 |
| +11.9 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 7 | 3♣x | ♠K | = | +13 |
| +11.4 | Sun 25 Oct 13:15 | SAINT LUCIA | 17 | 6♠ | ♦A | = | +12 |
| +10.3 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 4 | 6♥ | ♣J | = | +0 |
| +10.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 11 | 4♥ | ♣J | -1 | +4 |
| +10.0 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 31 | 6NT | ♣7 | -1 | +17 |
| +8.2 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 47 | 2♦x | ♠2 | -2 | +5 |
| +7.7 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 35 | 4♥ | ♣J | -1 | +10 |
| +7.4 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 55 | 5♥x | ♣Q | = | +5 |
| +7.3 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 8 | 3♥x | ♠J | -1 | +0 |
| +6.3 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 9 | 3NT | ♦3 | = | +10 |
| +6.3 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 3 | 2♠ | ♥K | +1 | +0 |
| +6.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 8 | 4♥x | ♣3 | -1 | +5 |
| +6.0 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 23 | 4♥ | ♠J | = | +3 |
| +6.0 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 28 | 3NT | ♥6 | = | +6 |
| +5.6 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 48 | 4♥ | ♣K | +1 | +0 |
| +5.1 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 43 | 3♦ | ♥T | +1 | +6 |
| +5.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 9 | 2♣ | ♦8 | = | -2 |
| +5.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 12 | 1NT | ♣3 | -2 | +0 |
| +4.0 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 18 | 1NT | ♥4 | +1 | +6 |
| +4.0 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 42 | 3NT | ♣6 | -1 | +6 |
| +3.7 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 20 | 2♥ | ♦3 | +1 | +0 |
| +3.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 3 | 2♠ | ♥K | -1 | -5 |
| +3.0 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 27 | 2NT | ♦5 | -3 | +1 |
| +2.8 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 51 | 4♠ | ♦A | -1 | +5 |
| +2.7 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 8 | 4♠ | ♥Q | -1 | +10 |
| +2.7 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 46 | 3NT | ♣2 | -1 | +4 |
| +2.7 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 26 | 3NT | ♦J | +1 | +0 |
| +2.7 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 36 | 1♥ | ♠Q | +2 | +1 |
| +2.3 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 6 | 3♣ | ♠K | = | -9 |
| +2.3 | Sun 25 Oct 13:15 | SAINT LUCIA | 22 | 2♠ | ♦3 | +1 | +7 |
| +2.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 1 | 2♦ | ♣2 | -1 | +8 |
| +2.0 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 19 | 2♣ | ♦7 | -4 | +9 |
| +1.9 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 60 | 1NT | ♣4 | +1 | +0 |
| +1.9 | Sun 25 Oct 13:15 | SAINT LUCIA | 16 | 4♥ | ♠J | -1 | +10 |
| +1.7 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 15 | 3NT | ♥T | -3 | +11 |
| +1.7 | Sun 25 Oct 13:15 | SAINT LUCIA | 24 | 3NT | ♠3 | +2 | +2 |
| +1.6 | Sun 25 Oct 13:15 | SAINT LUCIA | 13 | 4♠ | ♣6 | = | +0 |
| +1.5 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 54 | 2♣ | ♦Q | +1 | +1 |
| +1.4 | Sun 25 Oct 13:15 | SAINT LUCIA | 19 | 2NT | ♦K | = | +1 |
| +1.3 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 10 | 4♠ | ♣4 | +3 | -17 |
| +1.3 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 24 | 4♠ | ♣7 | +1 | +0 |
| +1.2 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 37 | 1♦ | ♣5 | +1 | +8 |
| +1.2 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 1 | 1NT | ♠6 | = | -1 |
| +1.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 10 | 4♥ | ♠2 | +1 | +0 |
| +1.0 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 11 | 2♠ | ♦6 | = | +0 |
| +1.0 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 11 | 5♥x | ♠K | -1 | +0 |
| +0.8 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 12 | 4♠ | ♦A | +1 | +0 |
| +0.7 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 13 | 3♠ | ♣9 | = | -1 |
| +0.4 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 44 | 3NT | ♠Q | -1 | -2 |
| +0.3 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 1 | 4♥x | ♥A | -1 | +0 |
| +0.2 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 8 | 2♣ | ♦4 | +1 | +0 |
| +0.1 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 56 | 3♥ | ♠K | -1 | +5 |
| +0.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 5 | 4♥ | ♣7 | -1 | +10 |
| +0.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 7 | 4♠ | ♥9 | +1 | +0 |
| -0.0 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 2 | 4♠ | ♣4 | +1 | +0 |
| -0.0 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 11 | 4♠ | ♦K | -1 | -10 |
| -0.0 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 4 | 4♠ | ♥4 | +1 | -1 |
| -0.0 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 4 | 4♠ | ♦K | +2 | -13 |
| -0.0 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 9 | 3NTx | ♠6 | -1 | -3 |
| -0.1 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 40 | 3♣ | ♥A | -1 | +4 |
| -0.3 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 34 | 4♠ | ♦K | = | -1 |
| -0.5 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 49 | 3♥x | ♣5 | -2 | -4 |
| -0.6 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 50 | 5♦ | ♠K | +1 | -11 |
| -0.6 | Sun 25 Oct 13:15 | SAINT LUCIA | 23 | 3♠ | ♣J | = | +0 |
| -0.7 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 7 | 3NT | ♠7 | +1 | -1 |
| -0.7 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 21 | 4♠ | ♣6 | = | -1 |
| -0.7 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 12 | 5♥ | ♠K | -1 | +2 |
| -0.7 | Sun 25 Oct 13:15 | SAINT LUCIA | 18 | 4♠ | ♦8 | = | +0 |
| -0.8 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 57 | 2NT | ♥Q | +1 | -1 |
| -1.0 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 7 | 3NT | ♥6 | -2 | -8 |
| -1.0 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 10 | 1NT | ♣A | +2 | +1 |
| -1.5 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 59 | 3♥ | ♦A | = | +0 |
| -1.7 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 30 | 3♠ | ♦K | = | -1 |
| -2.0 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 1 | 6NT | ♠J | = | +11 |
| -2.0 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 14 | 3♦ | ♥2 | +2 | -7 |
| -2.6 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 2 | 1NT | ♣5 | +1 | +1 |
| -2.7 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 3 | 2♥ | ♣A | +1 | -6 |
| -3.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 4 | 4♥ | ♦K | = | +1 |
| -3.0 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 16 | 4♦ | ♣7 | -1 | +6 |
| -3.3 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 25 | 3NT | ♠2 | = | +1 |
| -3.3 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 29 | 3♦ | ♣K | = | -15 |
| -3.3 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 33 | 3NT | ♠K | +1 | -1 |
| -3.4 | Sun 25 Oct 13:15 | SAINT LUCIA | 20 | 4♠ | ♥K | -1 | +3 |
| -3.7 | Sat 17 Oct 10:45 | 🇯🇴 JORDAN | 22 | 3♥ | ♠K | +2 | -3 |
| -3.9 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 41 | 2♠ | ♣4 | = | +0 |
| -4.1 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 52 | 4♠ | ♣J | +1 | -1 |
| -4.1 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 5 | 1NTx | ♥2 | -1 | -5 |
| -4.7 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 38 | 4♥x | ♣6 | +2 | +6 |
| -4.7 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 9 | 3NT | ♥3 | +2 | -13 |
| -4.7 | Sun 25 Oct 13:15 | SAINT LUCIA | 15 | 1NTx | ♥7 | = | -7 |
| -5.0 | Sun 25 Oct 13:15 | SAINT LUCIA | 14 | 4♥ | ♦6 | -1 | -5 |
| -5.0 | Sun 25 Oct 13:15 | SAINT LUCIA | 21 | 1NT | ♠A | +1 | -1 |
| -6.1 | Sat 24 Oct 13:15 | 🇧🇩 BANGLADESH | 6 | 2♠ | ♥7 | -2 | -7 |
| -7.1 | Sat 17 Oct 14:15 | 🇬🇪 GEORGIA | 45 | 4♠x | ♣A | = | -4 |
| -7.3 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 12 | 3NT | ♦2 | = | +2 |
| -7.7 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 5 | 5♦x | ♥9 | -1 | -6 |
| -7.7 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 5 | 3NT | ♠J | = | +2 |
| -8.6 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 58 | 4♠ | ♥3 | -2 | -8 |
| -8.7 | Sat 24 Oct 11:30 | 🇰🇪 KENYA | 32 | 3♠ | ♦Q | -1 | -16 |
| -11.5 | Sat 17 Oct 16:00 | 🇺🇾 URUGUAY | 53 | 7♥ | ♦T | = | +0 |
| -12.0 | Thu 15 Oct 12:30 | 🇰🇼 KUWAIT | 2 | 4♠ | ♦A | +2 | +11 |
| -12.0 | Sat 17 Oct 09:00 | 🇺🇦 UKRAINE | 3 | 5♣x | ♥K | = | -4 |
| -12.0 | Thu 22 Oct 12:15 | 🇱🇹 LITHUANIA | 6 | 1♠x | ♠5 | -4 | -3 |